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Beyond our Vampire theme there are plenty of other cards with Madness, many of which give us removal options

While the flashback cost is more expensive than Id like a plain fog to be, the fact that you can cast it from your graveyard is more than enough to make it worth including

Note that just once will work for the turn, so if you sacrificed a Spirit (like Bloodghast) earlier this turn, you can sacrifice this over and over again until you run out of mana

You can challenge students that have completed all operations at the three-second level by assigning them custom programs with shorter answer thresholds or expanded problem sets